For example: Agilent E4440A or Anritsu 68369
- Test and measurement equipment
- Amplifiers
- Amplifier Research
- Amplifier Research 777
10kHz to 220MHz - Leveling Preamplifier
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Amplifier Research 777 Overview
The 777 Leveling Preamplifier provides up to 40 dB of gain control within an operational bandwidth of 10kHz to 220MHz for constant-field rfi susceptibility testing, power-output control, modulation envelope feedback, and simulation of current or voltage sources. Employing a front-panel attenuator that permits level adjustment of rf signal input the unit is compatible with a wide variety of rf sources, including function and sweep generators and frequency synthesizers. The minimum power output is 10 mw and the nominal input and output impedance is 50-ohms.